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-- Unlike the rest of xmonad, this file is copyright under the terms of the
-- GPL.
--
-- Generates man/xmonad.1 from man/xmonad.1.in by filling the list of
-- keybindings with values scraped from Config.hs
--
-- Uses cabal to grab the xmonad version from xmonad.cabal
--
-- Uses pandoc to convert the "xmonad.1.markdown" to "xmonad.1"
--
-- Format for the docstrings in Config.hs takes the following form:
--
-- -- mod-x %! Frob the whatsit
--
-- "Frob the whatsit" will be used as the description for keybinding "mod-x"
--
-- If the keybinding name is omitted, it will try to guess from the rest of the
-- line. For example:
--
-- [ ((modMask .|. shiftMask, xK_Return), spawn "xterm") -- %! Launch an xterm
--
-- Here, mod-shift-return will be used as the keybinding name.
import Control.Monad
import Control.Applicative
import Text.Regex.Posix
import Data.Char
import Data.List
import Distribution.PackageDescription.Parse
import Distribution.Verbosity
import Distribution.Package
import Distribution.PackageDescription
import Text.PrettyPrint.HughesPJ
import Distribution.Text
import Text.Pandoc
releaseDate = "25 October 09"
trim :: String -> String
trim = reverse . dropWhile isSpace . reverse . dropWhile isSpace
guessKeys line = concat $ intersperse "-" (modifiers ++ [map toLower key])
where modifiers = map (!!1) (line =~ "(mod|shift|control)Mask")
(_, _, _, [key]) = line =~ "xK_(\\w+)" :: (String, String, String, [String])
binding :: [String] -> (String, String)
binding [ _, bindingLine, "", desc ] = (guessKeys bindingLine, desc)
binding [ _, _, keyCombo, desc ] = (keyCombo, desc)
allBindings :: String -> [(String, String)]
allBindings xs = map (binding . map trim) (xs =~ "(.*)--(.*)%!(.*)")
-- FIXME: What escaping should we be doing on these strings?
markdownDefn :: (String, String) -> String
markdownDefn (key, desc) = key ++ "\n: " ++ desc
replace :: Eq a => a -> a -> [a] -> [a]
replace x y = map (\a -> if a == x then y else a)
-- rawSystem "pandoc" ["--read=markdown","--write=man","man/xmonad.1.markdown"]
main = do
releaseName <- (show . disp . package . packageDescription)
`liftM`readPackageDescription normal "xmonad.cabal"
keybindings <- (intercalate "\n\n" . map markdownDefn . allBindings)
`liftM` readFile "./XMonad/Config.hs"
let manHeader = unwords [".TH xmonad 1","\""++releaseDate++"\"",releaseName,"\"xmonad manual\""]
writeOpts = defaultWriterOptions -- { writerLiterateHaskell = True }
parsed <- readMarkdown defaultParserState { stateLiterateHaskell = True }
. unlines
. replace "___KEYBINDINGS___" keybindings
. lines
<$> readFile "./man/xmonad.1.markdown"
writeFile "./man/xmonad.1"
. (manHeader ++)
. writeMan writeOpts
$ parsed
putStrLn "Documentation created: man/xmonad.1"
writeFile "./man/xmonad.1.html"
. writeHtmlString writeOpts
{ writerHeader = "<h1>"++releaseName++"</h1>"++
"<p>Section: xmonad manual (1)<br>"++
"Updated: "++releaseDate++"</p>"++
"<hr>"
, writerStandalone = True
, writerTableOfContents = True }
$ parsed
putStrLn "Documentation created: man/xmonad.1.html"
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